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Cheap flights from San Antonio (SAT) to Seattle (BFI)

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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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Cheap flights from San Antonio to Seattle in September , October 2026

30 Sep - 30 Oct $ 900.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
Pick dates
11 Sep - 05 Oct $ 4,671.00
SAT
San Antonio
Alaska Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
2 STOPS
SAT
San Antonio
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11 Sep - 05 Oct $ 4,751.00
SAT
San Antonio
Alaska Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
2 STOPS
SAT
San Antonio
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Last minute flights from San Antonio to Seattle

27 Sep - 02 Oct $ 994.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
Pick dates
26 Sep - 02 Oct $ 1,024.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
Pick dates
27 Sep - 02 Oct $ 1,027.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAT
San Antonio
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One-way flights to Seattle from San Antonio

8:20 PM - 6:45 PM
Air Excursions
2 Stops
25h 15m
SAT - BFI
$ 493
Kiwi
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8:20 PM - 4:05 PM
Air Excursions
2 Stops
22h 35m
SAT - BFI
$ 531
Kiwi
Pick dates
11:36 AM - 6:45 PM
Air Excursions
2 Stops
9h 59m
SAT - BFI
$ 2,420
Kiwi
Pick dates

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.